@if(count($errors)>0)
  <div class="alert-danger alert">
    <div class="mt-2">
      <b>有错误发生：</b>
    </div>
    <ul class="mt-2 mb-2">
      @foreach($errors->all() as $error)

        <li><i class="glyphicon glyphicon-remove"></i> {{ $error }}</li>

      @endforeach

    </ul>
  </div>

@endif
